Otto w



(No Model.)

o. W. SCHAUM.

LOOM.

Patented May 23,1893.

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Tn: nunja Farms co. Puma-uwe.. imams-Tan. u c4 UNITED STATES PATENTOFFICE.

OTTO W. SCHAUM, OF PHILADELPHIA, PENNSYLVANIA.

LOOM.

SPECIFICATION forming part of Letters Patent No. 497,824, dated May 23,1893.

Application filed October 17, 1892. Serial No. 449,131. (No model.)

To all whom, t may concern:

Be it known that l, OTTO W. SCHAUM, a citizen of the United States,residing at Philadelphia, in the county of Philadelphia and State ofPennsylvania, have invented certain new and useful Improvements inLooms, of which the following is a specification, reference being hadtherein to the accompanying drawings.

My invention relates to the lathes or battens of looms, moreparticularly those of narrow-ware looms, and to the devices which areconcerned in actuating the same.

One object of my invention is to enable the beam of the lathe or battenof a loom to re` main in one and the same position with relation to thevertical throughout the whole eX- tent of the movement of the lathe orbatten in the operation of the loom. Heretofore this object has beensecured by the builders of looms, it is true, but usually it has beendone by constructing and mounting the lathe or hatten to reciprocate ina straight line, and in or u pon fixed supporting guides or ways. Thisplan presents various practical defects and disadvantages which it is myaim to avoid.

.Another object of my invention is to provide facilities for varying theposition and lnclination of the arc in which the lathe-beam swings, andfor making desired adjustments 1n the height of the beam of the lathe orhatten.

Another object of my invention is to provide by improved means forenabling the variation or change in the extent of the throw of thecranks on the crank-shaft, which is secured by radial adjustment of thecranks and which increases or decreases the swing of the lathe orbattcn, to be compensated for by such an adjustment of the connectionsbetween the lathe or hatten and the crank-shaft as will permit thebeating-up point always to remain the same, if desired.

Another object of my invention is to provide an improved center-crankand crankshaft support.

My invention consists in certain novel features of construction andcombinations of parts, all as first will be fully described withreference to the accompanying drawings, and then be particularly pointedout and distinctly defined in the claims at the close of thisspeciication.

-tion applied thereto.

In the drawings, Figure 1 is a view in side elevation of part of a loomwith my inven- Fig. 2 is aview thereof in vertical transverse section onthe dotted line 2 2 in Fig. 1, looking toward the rear of the loom. Fig.3 is a View in rear elevation of part of the lathe-beam and the supportspertaining thereto. Fig. 4 is a View in rear elevation of theintermediate or center lathebealn supports and the adjacent portion ofthe said beam. Figs. 5 and 6 are side and edge views, respectively, ofthe adjustable link or pitman.

At 1 is shown an end-frame of a loom, at 2 the crank-shaft of the loom,at 3 a hand-wheel or ily-wheel fast to said crankshaft, at 4 is shownthe beam of the lathe or hatten, and at 5 one of the connecting rods,links, or pitmen by which the lathe or hatten is connected with thecranks ofthe crank-shaft. The lathebeam is pivotally supported atsuitable points in the direction of its length by parallel-links orradius-bars 6, 6, which at their lower ends turn upon pins 7, 7, mountedon the loomframing. At their upper ends each pair of the said links 6,6, is hinged or pivoted by pins 8, 8 to lugs 9, 9 depending fromabracket 10 on which the lathe-beam is mounted.

In the construction which is represented in the drawings, the lugs 9, 9are formed parallel to each other and the upper ends of the links 6, 6fit between their inner faces. The bracket 10 is formed with an L shapedportion 11 to conform to the rear side and under side of the lathe-beam, and in the vertical part 12 of this L-shaped portion 11 is formeda vertical slot 13 through which passes the stem of the bolt or screw 14by which the lathe-beam is clamped to the bracket, while the horizontalpart l5 of the bracket has a threaded hole therein,through which ispassed vertically the set-screw 16 which bears by its point against theunder side of the lathebeam, said screw having thereon the clamping nut17.

The slot 13 and set-screw 16 provide for enabling the lathe-beam to besecured at any required height on the bracket. This adjustment is usefulin permitting the lathe beam to be so adj usted vertically as that innarrowware looms the shuttle 18 moving on the tracks or ways 19, 19,carried by the lathe- ICO beam shall be prevented from rubbing againstthe Warp-threads of either the upper plane of the open shed or the lowerplane thereof, and that, in looms using fly-shuttles, the shuttlerace-Way at the upper side of the lathe-beam shall move beneath thelower plane of the shed in exactly the desired relations thereto.

I make provision for varying the position and inclination of the arc inwhich the lathebeam moves, as follows. The pins 7, 7, are mounted in amanner to enable them to be adjusted toward or from the rear of theloom. One way of rendering them adjustable is shown in Fig. l of thedrawings, in which tlgure the reduced ends of the pins 7, 7, passthrough horizontal slots 20, 20, in the parts of the'loomframing bywhich they are supported, and receive upon the threaded extremitiesthereof nuts 2l, 2l, whereby they are clamped in adjusted position.V B vshifting the pins 7, 7 toward the front or the rear of the loom variouschanges may be made in the angle and position of the arc through whichthe lathe-beam oscillates. The forward ends of the connecting rods,links or pitmen 5 are jointed to the lugs 22 forming parts of thebrackets l0. In some looms of considerable width an intermediateframing-piece, called a center-frame extends parallel to the side-framesof the looms. One of these center-frames is shown at 23 in Figs. 2 and4. Intermediate supports for the lathe-beam are also provided in suchlooms, one of such intermediate supports being shown in Fig. 4. Theintermediate support for the lathe-beam which I employ resembles in allessential respects those which are located nearer the ends of the lathebeam, and Yis of the construction Vwhich has been described. In theselooms, however, inasmuch as I prefer to place or form the intermediatecrank or cranks of the crank-shaft substantially in line verticallyabove or with the center-frame or frames, the upper parts of theintermediate links 6, 6 are bent or off-set laterally as shown in Fig.4, in order to permit the bracket l0 to which a pair ot such links arepivoted to be placed vertically above the center-frame, at the side ofwhich the said links are pivoted.

To permit the extent of the sweep of the lathe-beam to be varied asdesired, I connect the rear ends of the pitmen 5 to cranks of variablethrow. Thus, as customary, I connect the rear-ends of said pitmen topins 24 which are secured to parts carried by the crank-shaft withcapacity for radial adjustment relatively to the said shaft.

In Fig. l I have represented one of the crank-pins as mounted in a slot25 in one of Y Ythe arms ofthe hand-wheel 3.

hold the parts together in an adjusted posil tion. Y

In order to permit of the use ot adjustable intermediate orcenter-cranks I provide as follows. The crank-shaft 2 I form in sections31, 32, placed in line with each other, and upon the proximate ends ofthe sections Isecurely fix crank-arms 33, 34, each of which is radiallyslotted at 35. As shown clearly in Fig. 2, I iit into the slots 35, 35,at the required distance from the axis ot' the crankshaft, the reducedends 36, 36, of a crank pin 37, and secure the said crank pin in itsposition of adjustment by the washers 38, 38 and nuts 39, 39 which areplaced upon the threaded extremities of such crank-pin. I support theproximate ends of the sections 3l, 32 in bearings carried by thecenter-frame, the parts being so disposed, preferably, as that thecenter-frame and the center-crank shall be in line with each othervertically. The said bearings are formed in split boxes 40,41 whichreceive reduced portions 42, 42 formed on the sections 3l, 32. The lowerpart of the box 40 is formed in one with an upwardly extending curvedarm or bracket 43, having a plate or web 44 which is secured by bolts 45and nuts 46 to the web of the center-frame. The curved arm 43 projectslaterally in one direction from the center-frame a sufficient distanceto clear the crank-arm carried by the section ot' the crank-shaft whichit supports. rlhe under part of the split box 4l is formed with a web orplate 4l which is clamped by bolts 47 and nuts 48 to the curved arm 49which is cast in one piece with the center-frame and projects to theside 0pposite to that toward which the curved arm 43 projects. The upperend of the curved IOO IlO

arm-49 is formed with a flange or lip 50 which -Y lits within a notch 5lthat is formed in the depending plate or web 41 of the split-box 4l.This construction of the supports for the proximate ends of the sectionsof the crank-shaft holds the same securely and fixedly in properposition relatively to each other, and the bearings are not liable towork loose. Moreover the strain and weight are uniformly distributed onboth sides of the center-frame and the resistance which in the workingofV the loom is offeredto the rotation of the center-crank is exerted inthe vertical plane of the center-frame and is not likely to rack theparts loose.

I claim as my invention- I. The combination with the lathe-beam, of theparallel-links whereon the said beam is IZO mounted, pivotal supportsfor the lower ends of said links, and means for adjusting the saidpivotal supports relatively to the front. and rear j of the loom,substantially as described.

2. The combination with the lathe-beam, of the parallel-links whereonthe said beam is mounted, pivotal supports for the lower ends of saidlinks, a supporting piece havinga slot in which the said pivotalsupports are mounted, and means for securing the said pivotal supportsin the desired position of adj ustment in the said slot, substantiallyas described.

3. The combination with thelathe-beam, of the bracket 10 having theL-shaped seat portion provided with the slot and clamping screw to holdthe beam thereto, and the set-screw whereby to effect verticaladjustment of the beam on the bracket as described, and also havinglugs, and the parallel-links pivoted at their upper ends between thesaid lugs, substantially as described.

it. The combination with the lathe-beam, of the bracket l0 having theL-shaped seat portion provided with the slot and clamping screw to holdthe beam thereto, and the set-screw whereby to effect verticaladjustment of the beam on the bracket as described, and also havingdepending lugs, the parallel-links pivoted at their upper ends betweenthe said lugs, the supports to which the lower ends ot' the said linksare pivoted, and means permitting adjustment of the said supportsforwardly and rearwardlyin a loom, substantially as described.

5. The combination with the lathe-beam, of a supporting bracket thereforhaving an L- shaped seat-portion provided with a slot and clamping screwto hold the beam thereto, and with a set-screw whereby to effectvertical adjustment of the said beam on the bracket, as set forth, allsubstantially as described.

gether, substantially as described.

7. The combination with the lathe or batten of a loom, and thecrank-shaft carrying cranks ot' adjustable throw, of theconnecting-links or pitmen made each in two overlapping slotted partshaving intermeshing serrations andV provided with clamping bolts passedthrough the slots and having clamping nuts, substantially as described.

S. The combination with the lathe or batten of a loom,and theconnecting-rods or pitmen,

of a crank-shaft provided with the usual adjustable cranks and also madein sections which are provided at their proximate ends with slottedcrank-arms and with an adjustable crank-pin fitted to the slots in thesaid arms, split bearings to which the said proximate ends aretitted,thelower member of one of the said split bearings being formedintegral With a curved arm, and the lower lnember of the other of thesaid split bearings be ing formed integral with a web or plate having anotch therein, and theloom-framing provided with acenter-frarne to oneside of which is bolted the curved arm aforesaid, the said center-framehaving formed integral therewith a second curved arm projectingoppositely to the first arm and provided with a lip or flange enteringthe notch aforesaid, and to which arm the notched web or plate isbolted, substantially as described. j

In testimony whereof I affix my signature in presence of two witnesses.

OTTO XV. SCHAUM. Witnesses:

F. A. Rnnvn, L. M. LENTZ.

